[gst-devel] What is 'forward continuous' and other questions about reverse playback.

ved kpl ved.kpl at gmail.com
Fri Jul 30 12:29:30 CEST 2010

On Fri, Jul 30, 2010 at 1:17 PM, wl2776 <wl2776 at gmail.com> wrote:
> I am reading the GStreamer design documentation and have doubts while
> interpreting several sentences.
> Probably, my problem is because English is not my native language.
> The part-trickmodes.txt says in the "client side backwards trickmode"
> section:
>  - A source plugin sends data in chunks starting from the last chunk of the
>   file. The actual bytes are not reversed. Each chunk that is not forward
>   continuous with the previous chunk is marked with a DISCONT flag.
> What does 'forward continuous' mean?
> For example, filesrc sends bytes from 150 to 200 in the first chunk and
> 100-150 in the second chunk.
> Will it mark DISCONT the second chunk?

   i guess  you meant 100-149.
   should not, since the 150-200 is continuous w.r.t 100-149.

> Going further, to the MPEG demuxer, processing a video file with I, P and B
> frames. How are they marked?


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